Base | Representation |
---|---|
bin | 111001100001011… |
… | …0011100101000010 |
3 | 11222111212000120100 |
4 | 1303002303211002 |
5 | 12423102143034 |
6 | 515305023230 |
7 | 65554465404 |
oct | 16302634502 |
9 | 4874760510 |
10 | 1930115394 |
11 | 900555299 |
12 | 45a484b16 |
13 | 249b4921c |
14 | 1444a6b74 |
15 | b46ab099 |
hex | 730b3942 |
1930115394 has 24 divisors (see below), whose sum is σ = 4193579520. Its totient is φ = 641577528.
The previous prime is 1930115351. The next prime is 1930115419. The reversal of 1930115394 is 4935110391.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142882 + ... + 155805.
It is an arithmetic number, because the mean of its divisors is an integer number (174732480).
Almost surely, 21930115394 is an apocalyptic number.
1930115394 is an abundant number, since it is smaller than the sum of its proper divisors (2263464126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930115394 is a wasteful number, since it uses less digits than its factorization.
1930115394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299054 (or 299051 counting only the distinct ones).
The product of its (nonzero) digits is 14580, while the sum is 36.
The square root of 1930115394 is about 43933.0785855032. The cubic root of 1930115394 is about 1245.0718804969.
The spelling of 1930115394 in words is "one billion, nine hundred thirty million, one hundred fifteen thousand, three hundred ninety-four".
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